2006 Audi A4 vs. 2007 BMW 550
To start off, 2007 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (360 HP @ 6300 RPM) has 105 more horse power than 2006 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 155 kg more than 2007 BMW 550.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 550. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW 550 (489 Nm @ 3400 RPM) has 159 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2007 BMW 550 | |
| Make | Audi | BMW |
| Model | A4 | 550 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 360 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 489 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1725 kg |
| Vehicle Length | 4590 mm | 4860 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption | 8.7 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
